Overview
The TLC2274IDRG4 is a quad low-noise rail-to-rail operational amplifier from Texas Instruments. This device is part of the TLC227x family, known for its high input impedance, low noise, and excellent performance in small-signal conditioning for high-impedance sources such as piezoelectric transducers. The TLC2274IDRG4 offers rail-to-rail output performance, making it suitable for both single-supply and split-supply applications. It is characterized by its low power consumption, high gain bandwidth, and high slew rate, making it ideal for various industrial, commercial, and automotive applications.
Key Specifications
| Parameter | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|
| Number of Channels | 4 | - | - | - |
| Gain Bandwidth (GBW) | 2.18 MHz | - | - | MHz |
| Slew Rate | 3.6 V/μs | - | - | V/μs |
| Input Bias Current | 1 pA | - | 60 pA | pA |
| Input Offset Voltage (VIO) at 25°C | 950 μV | 300 μV | 2500 μV | μV |
| Common Mode Rejection Ratio (CMRR) | 75 dB | 70 dB | - | dB |
| Operating Temperature Range | -40 to 125°C | -55 to 125°C | 0 to 70°C | °C |
| Total Supply Voltage | - | 4.4 V (Single), ±2.2 V (Split) | 16 V (Single), ±8 V (Split) | V |
| Package Type | SOIC-14 | - | - | - |
| Pin Count | 14 | - | - | - |
Key Features
- Low Noise: 9 nV/√Hz typical at f = 1 kHz
- Low Input Bias Current: 1 pA typical
- Rail-to-Rail Output Swing: Includes both supply rails
- High Gain Bandwidth: 2.2 MHz typical
- High Slew Rate: 3.6 V/μs typical
- Low Input Offset Voltage: 950 μV maximum at TA = 25°C
- Common-Mode Input Voltage Range Includes Negative Rail
- Fully-Specified for Both Single-Supply and Split-Supply Operation
- ESD Protection
- Macromodel Included
- Available in Q-Temp Automotive Grade
Applications
- Sensor Interfaces: Ideal for conditioning signals from high-impedance sources like piezoelectric transducers.
- Signal Conditioning: Suitable for precision instrumentation and small-signal conditioning.
- Hand-held Monitoring Systems: Low power consumption makes it suitable for battery-powered equipment.
- Automotive Systems: Meets AEC-Q100 standards for automotive applications.
- Industrial Applications: Used in white goods (e.g., refrigerators, washing machines), medical devices, and aerospace systems.
- Battery-Powered Applications: High performance and low power consumption make it ideal for portable devices.
Q & A
- What is the typical gain bandwidth of the TLC2274IDRG4?
The typical gain bandwidth of the TLC2274IDRG4 is 2.18 MHz.
- What is the slew rate of the TLC2274IDRG4?
The slew rate of the TLC2274IDRG4 is 3.6 V/μs typical.
- What is the input bias current of the TLC2274IDRG4?
The input bias current of the TLC2274IDRG4 is 1 pA typical.
- What is the maximum input offset voltage of the TLC2274IDRG4 at 25°C?
The maximum input offset voltage of the TLC2274IDRG4 at 25°C is 950 μV.
- What is the operating temperature range of the TLC2274IDRG4?
The operating temperature range of the TLC2274IDRG4 is -40 to 125°C.
- What is the package type of the TLC2274IDRG4?
The package type of the TLC2274IDRG4 is SOIC-14.
- Is the TLC2274IDRG4 suitable for automotive applications?
Yes, the TLC2274IDRG4 meets AEC-Q100 standards for automotive applications.
- What are some common applications of the TLC2274IDRG4?
Common applications include sensor interfaces, signal conditioning, hand-held monitoring systems, and industrial applications.
- Does the TLC2274IDRG4 have ESD protection?
Yes, the TLC2274IDRG4 features ESD protection.
- Is the TLC2274IDRG4 available in different package options?
Yes, the TLC2274 series is available in various package options including SOIC, PDIP, and TSSOP.
